6. Fraud and phishing filter: recommend that you use both WOT (Web of Trust) and Site Advisor.

7. Sand Box: This is for for added safety, virus protection, etc. recommend Sandboxie. I don't recommend this for an older computer, it slows them down.

8. Tune Up: Many people like the idea of a tune up utility that keeps the computer running like "brand new". The one I use and recommend is Advanced System Care. It works great and it is very easy to use.